Riverside and Orange Coast Regions are having their first joint autocross at Auto Club Speedway. Posted on April 10, 2019 by Chris Lewis Calling all Autocrossers! On April 28th the Riverside and Orange Coast Regions are having their first joint autocross at Auto Club Speedway. This is a great track and I encourage you to support your club and attend! Register at https://www.motorsportreg.com/events/pca-rsr-ocr-autocross-2019-auto-club-speedway-riverside-278175